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Oscillating fracture paths in thin elastic sheets: when geometry rules the fracture path

Related publications (43)

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Frequency analysis with coupled nonlinear oscillators

Auke Ijspeert, Jonas Buchli, Ludovic Righetti

We present a method to obtain the frequency spectrum of a signal with a nonlinear dynamical system. The dynamical system is composed of a pool of adaptive frequency oscillators with negative mean-field coupling. For the frequency analysis, the synchronizat ...

2008

Controlling the Fano interference in a plasmonic lattice

Olivier Martin

We analyze the influence of near-field coupling on the formation of collective plasmon modes in a multilayer metallic nanowire array. It is shown that the spectral interference between super- and subradiant normal modes results in characteristic line shape ...

2007

Numerical methods for multiscale problems

Assyr Abdulle

The subject of this workshop was numerical methods that preserve geometric properties of the flow of an ordinary or partial differential equation: symplectic and multisymplectic integrators for Hamiltonian systems, symmetric integrators for reversible syst ...

EMS2006

Idempotent filtering in spectral and spectral element methods

Jan Sickmann Hesthaven

The comparison of numerical results for implicit-explicit and fully explicit Runge-Kutta time integration methods for a nozzle flow problem shows that filtering can significantly degrade the accuracy of the numerical solution for long-time integration prob ...

ACADEMIC PRESS INC ELSEVIER SCIENCE2006

Cracks in Thin Sheets: When Geometry Rules the Fracture Path

Pedro Miguel Nunes Pereira de Almeida Reis

We study the propagation of brittle fractures coupled to large out-of-plane bending, as when a brittle elastic thin sheet is cut by a moving object. Taking into account the separation of the film’s bending and stretching energies and using fracture theory ...

American Physical Society2005

Semi-analytical bifurcation analysis of two-phase flow in a heated channel

Rakesh Chawla, Abdelhamid Dokhane

Using a drift flux representation for the two-phase flow, a new reduced order model has been developed to simulate density-wave oscillations (DWOs) in a heated channel. This model is then used to perform stability and semi-analytical bifurcation analysis, ...

2005

Numerical integration of the three-dimensional Green kernel for an electromagnetic problem

Jacques Rappaz, Alexandre Masserey

In this paper, we present a method for the numerical integration of the three-dimensional Green kernel over two triangles. This method is compared with the results obtained by other algorithms. The comparison proves the efficiency of the technique in remov ...

2005

High-order localized time integration for grid-induced stiffness

Jan Sickmann Hesthaven

We discuss two time integration techniques, aimed at overcoming local grid-induced stiffness in discontinuous Galerkin methods. A local time-stepping approach, utilizing the local properties of the scheme, is shown to work very well. Recently developed add ...

ELSEVIER SCIENCE BV2003

The Scrambled Net Filter

Thomas Gsponer

The standard Kalman filter is a powerful and widely used tool to perform prediction, filtering and smoothing in the fields of linear Gaussian state-space models. In its standard setting it has a simple recursive form which implies high computational effici ...

2002

The Scrambled Net Filter

Thomas Gsponer

2002